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kilogram
(kg)
subjectfact 
kilogramhas symbol kg2001-09-27 09:32:49.0
has historical origin at the end of the 18th century, a kilogram was the mass of a cubic decimeter of water2001-09-27 09:32:49.0
has definition Unit of mass (not of weight or of force). Kilogram is equal to the mass of 1.000028 cubic decimeters of water at the temperature of its maximum density.has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:32:49.0
has definition Unit of mass equal to the international prototype of the kilogram2001-09-27 09:32:49.0
is an instance of mass unit2001-09-27 09:32:49.0
is an instance of base SI unit2001-09-27 09:32:49.0
mass unitis a unit of mass2001-09-27 09:32:48.0
unitrepresents2001-09-27 09:32:42.0
SI unitis an acronym for Syteme Internationale2001-09-27 09:32:55.0